40444507 has 2 divisors, whose sum is σ = 40444508. Its totient is φ = 40444506.

The previous prime is 40444499. The next prime is 40444517. The reversal of 40444507 is 70544404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40444507 - 2³ = 40444499 is a prime.

It is not a weakly prime, because it can be changed into another prime (40444517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20222253 + 20222254.

It is an arithmetic number, because the mean of its divisors is an integer number (20222254).

Almost surely, 2^40444507 is an apocalyptic number.

40444507 is a deficient number, since it is larger than the sum of its proper divisors (1).

40444507 is an equidigital number, since it uses as much as digits as its factorization.

40444507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 40444507 is about 6359.5995943141. The cubic root of 40444507 is about 343.2573526108.

The spelling of 40444507 in words is "forty million, four hundred forty-four thousand, five hundred seven".